Dvd Dual; Table 1- 4 Dvd-Dual(Double Layer) Drive Specifications - Toshiba Satellite M40 Maintenance Manual

1.6 DVD Dual (Double Layer)
1.6 DVD Dual (Double Layer)
The DVD-Dual drive accepts 12-cm (4.72-inch) and 8-cm (3.15-inch) discs. At maximum, the
drive can play back a DVD at 8x speed, read CD-ROM at 24x speed, and write CD-R at 24x
speed and CD-RW at 4x speed and high or ultra speed at 24x and DVD-R/+R at 8x speed and
DVD+R(Double Layer) at 2.4x speed and DVD-RW at 4x speed and DVD+RW at 2.4x speed.
The specifications of the DVD-Dual(Double Layer) drive are listed in Table 1-4.

Table 1- 4 DVD-Dual(Double Layer) drive specifications

Item
Data transfer rate 33.3 (U-DMA transfer mode 2)
(Mbytes/s)
16.7 (PIO mode 4, Multiword DMA mode 2)
Access time (ms)
Average random
180
access
Average full stroke
access
Data buffer size
2MB
(Mbytes)
Formats supported DVD:
DVD-ROM,DVD-R ver2.00 for General (Read/Write), DVD-RW
Ver.1.0&1.1&1.2(Read/Write),DVD+R(Read/Write),DVD+RW(Read/Write
),DVD+R(Double Layer).
CD:
KODAK Photo CD Single and Multi-Session,CD-Extra(CD+),Mixed
CD,Video CD, CD-R discs (Read/Write), CD-RW , CD test data.
Satellite M40/M45 TECRA A4 dynabook Vx/4 Maintenance Manual
DVD-ROM mode
1 Hardware Overview
CD-ROM mode
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